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Woodscrews - Pozidrive Countersunk Twinthread

No4 x 1/2

Twinthread woodscrews are a traditional woodscrew that gives rapid installation into softwoods. They are also an ideal choice for use with a plastic wall plug when fixing into masonry.


A twinthread screw has, as the name suggests, a pair of threads that run along the screw body. The pitch of a twinthread screw (the distance between the threads) is usually greater than that of a single thread screw.

The result of this is that installation is faster with a twinthread screw.
Twinthread screws are easier to get started and are generally easier to drive into position than single thread screws.

When it comes to the sizing of woodscrews it is still very common to find measurements in both metric and imperial. The diameter of a wood screw is either given in a gauge (imperial), or in millimeters (metric). With the imperial gauge, a number is used, i.e. 8 gauge. A larger gauge number means a larger diameter. Screw gauge numbers actually correspond to a particular fraction of an inch in imperial measurements.

Woodscrew lengths are also often shown in either metric or imperial sizes, or sometimes both.

A countersunk head is usually used when no part of the fastener head is required to be protruding above the level of the substrate. Countersunk heads can also be recessed and filled over if a hidden fixing is required. Usually abbreviated to CSK.

Pozidrive heads have been designed to ensure that the screwdriver will not slip under torque. This makes them ideal for use with impact drivers and other power tools.

The best way to identify a Pozidrive head is by the diagonal engraved lines between the four points of the cross head.

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46 Items

Code Product Name Info Pack Size Price Qty
Woodscrew Hardened Pozidrive Countersunk Twinthread - Mixed Tray - BZP WOODTRAY Woodscrew Hardened Pozidrive Countersunk Twinthread - Mixed Tray - BZP
1140
£23.10 £27.72
Woodscrew Hardened Pozidrive Countersunk Twinthread - Mixed Tray - BZP WOODTRAY
Woodscrew Hardened Pozidrive Countersunk Twinthread - Mixed Tray - BZP
1140
£23.10 £27.72
No4 x 1/2 WSPCHZP04050 No4 x 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 1000
1000
£6.30 £7.56
No4 x 1/2 WSPCHZP04050
No4 x 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 1000
1000
£6.30 £7.56
No4 x 1/2 WSPCHZP04062 No4 x 5/8"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 1000
1000
£6.36 £7.63
No4 x 1/2 WSPCHZP04062
No4 x 5/8"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 1000
1000
£6.36 £7.63
No4 x 1/2 WSPCHZP04075 No4 x 3/4" Countersunk Pozidrive Hardened WoodScrew - BZP - Pack of 1000
1000
£6.58 £7.90
No4 x 1/2 WSPCHZP04075
No4 x 3/4" Countersunk Pozidrive Hardened WoodScrew - BZP - Pack of 1000
1000
£6.58 £7.90
No4 x 1/2 WSPCHZP04100 No4 x 1"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 1000
1000
£6.51 £7.81
No4 x 1/2 WSPCHZP04100
No4 x 1"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 1000
1000
£6.51 £7.81
No4 x 1/2 WSPCHZP06050 No6 x 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 1000
1000
£6.34 £7.61
No4 x 1/2 WSPCHZP06050
No6 x 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 1000
1000
£6.34 £7.61
No4 x 1/2 WSPCHZP06062 No6 x 5/8"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£6.45 £7.74
No4 x 1/2 WSPCHZP06062
No6 x 5/8"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£6.45 £7.74
No4 x 1/2 WSPCHZP06075 No6 x 3/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 1000
1000
£6.51 £7.81
No4 x 1/2 WSPCHZP06075
No6 x 3/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 1000
1000
£6.51 £7.81
No4 x 1/2 WSPCHZP06100 No6 x 1"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 1000
1000
£6.75 £8.10
No4 x 1/2 WSPCHZP06100
No6 x 1"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 1000
1000
£6.75 £8.10
No4 x 1/2 WSPCHZP06125 No6 x 1 1/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 1000
1000
£6.88 £8.26
No4 x 1/2 WSPCHZP06125
No6 x 1 1/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 1000
1000
£6.88 £8.26
No4 x 1/2 WSPCHZP06150 No6 x 1 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£6.90 £8.28
From 1 reviews
No4 x 1/2 WSPCHZP06150
No6 x 1 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£6.90 £8.28
From 1 reviews
No4 x 1/2 WSPCHZP06175 No6 x 1 3/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 600
600
£6.49 £7.79
No4 x 1/2 WSPCHZP06175
No6 x 1 3/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 600
600
£6.49 £7.79
No4 x 1/2 WSPCHZP06200 No6 x 2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£6.30 £7.56
No4 x 1/2 WSPCHZP06200
No6 x 2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£6.30 £7.56
No4 x 1/2 WSPCHZP07100 No7 x 1"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£6.31 £7.57
No4 x 1/2 WSPCHZP07100
No7 x 1"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£6.31 £7.57
No4 x 1/2 WSPCHZP07125 No7 x 1 1/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£6.67 £8.00
No4 x 1/2 WSPCHZP07125
No7 x 1 1/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£6.67 £8.00
No4 x 1/2 WSPCHZP07150 No7 x 1 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 600
600
£6.39 £7.67
No4 x 1/2 WSPCHZP07150
No7 x 1 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 600
600
£6.39 £7.67
No4 x 1/2 WSPCHZP08050 No8 x 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£6.45 £7.74
No4 x 1/2 WSPCHZP08050
No8 x 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£6.45 £7.74
No4 x 1/2 WSPCHZP08062 No8 x 5/8"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£6.45 £7.74
No4 x 1/2 WSPCHZP08062
No8 x 5/8"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£6.45 £7.74
No4 x 1/2 WSPCHZP08075 No8 x 3/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 1000
1000
£6.51 £7.81
No4 x 1/2 WSPCHZP08075
No8 x 3/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 1000
1000
£6.51 £7.81
No4 x 1/2 WSPCHZP08100 No8 x 1"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£6.49 £7.79
No4 x 1/2 WSPCHZP08100
No8 x 1"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£6.49 £7.79
No4 x 1/2 WSPCHZP08125 No8 x 1 1/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£6.69 £8.03
From 1 reviews
No4 x 1/2 WSPCHZP08125
No8 x 1 1/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£6.69 £8.03
From 1 reviews
No4 x 1/2 WSPCHZP08150 No8 x 1 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 600
600
£6.71 £8.05
From 1 reviews
No4 x 1/2 WSPCHZP08150
No8 x 1 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 600
600
£6.71 £8.05
From 1 reviews
No4 x 1/2 WSPCHZP08175 No8 x 1 3/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 600
600
£7.63 £9.16
No4 x 1/2 WSPCHZP08175
No8 x 1 3/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 600
600
£7.63 £9.16
No4 x 1/2 WSPCHZP08200 No8 x 2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 600
600
£8.38 £10.06
From 1 reviews
No4 x 1/2 WSPCHZP08200
No8 x 2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 600
600
£8.38 £10.06
From 1 reviews
No4 x 1/2 WSPCHZP08225 No8 x 2 1/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£7.06 £8.47
No4 x 1/2 WSPCHZP08225
No8 x 2 1/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£7.06 £8.47
No4 x 1/2 WSPCHZP08250 No8 x 2 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£7.08 £8.50
From 1 reviews
No4 x 1/2 WSPCHZP08250
No8 x 2 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£7.08 £8.50
From 1 reviews
No4 x 1/2 WSPCHZP08300 No8 x 3"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£8.50 £10.20
From 1 reviews
No4 x 1/2 WSPCHZP08300
No8 x 3"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£8.50 £10.20
From 1 reviews
No4 x 1/2 WSPCHZP10075 No10 x 3/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£8.63 £10.36
No4 x 1/2 WSPCHZP10075
No10 x 3/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 800
800
£8.63 £10.36
No4 x 1/2 WSPCHZP10100 No10 x 1"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 600
600
£6.81 £8.17
No4 x 1/2 WSPCHZP10100
No10 x 1"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 600
600
£6.81 £8.17
No4 x 1/2 WSPCHZP10125 No10 x 1 1/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 600
600
£7.33 £8.80
No4 x 1/2 WSPCHZP10125
No10 x 1 1/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 600
600
£7.33 £8.80
No4 x 1/2 WSPCHZP10150 No10 x 1 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 600
600
£8.94 £10.73
No4 x 1/2 WSPCHZP10150
No10 x 1 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 600
600
£8.94 £10.73
No4 x 1/2 WSPCHZP10175 No10 x 1 3/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£7.75 £9.30
No4 x 1/2 WSPCHZP10175
No10 x 1 3/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£7.75 £9.30
No4 x 1/2 WSPCHZP10200 No10 x 2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£7.88 £9.46
No4 x 1/2 WSPCHZP10200
No10 x 2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£7.88 £9.46
No4 x 1/2 WSPCHZP10225 No10 x 2 1/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£10.00 £12.00
No4 x 1/2 WSPCHZP10225
No10 x 2 1/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£10.00 £12.00
No4 x 1/2 WSPCHZP10250 No10 x 2 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£10.00 £12.00
No4 x 1/2 WSPCHZP10250
No10 x 2 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£10.00 £12.00
No4 x 1/2 WSPCHZP10300 No10 x 3"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£11.38 £13.66
No4 x 1/2 WSPCHZP10300
No10 x 3"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£11.38 £13.66
No4 x 1/2 WSPCHZP10350 No10 x 3 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 200
200
£7.25 £8.70
No4 x 1/2 WSPCHZP10350
No10 x 3 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 200
200
£7.25 £8.70
No4 x 1/2 WSPCHZP10400 No10 x 4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 200
200
£7.56 £9.07
From 1 reviews
No4 x 1/2 WSPCHZP10400
No10 x 4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 200
200
£7.56 £9.07
From 1 reviews
No4 x 1/2 WSPCHZP12100 No12 x 1"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£6.69 £8.03
No4 x 1/2 WSPCHZP12100
No12 x 1"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£6.69 £8.03
No4 x 1/2 WSPCHZP12125 No12 x 1 1/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£7.63 £9.16
No4 x 1/2 WSPCHZP12125
No12 x 1 1/4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£7.63 £9.16
No4 x 1/2 WSPCHZP12150 No12 x 1 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£8.75 £10.50
No4 x 1/2 WSPCHZP12150
No12 x 1 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 400
400
£8.75 £10.50
No4 x 1/2 WSPCHZP12200 No12 x 2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 200
200
£6.37 £7.64
No4 x 1/2 WSPCHZP12200
No12 x 2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 200
200
£6.37 £7.64
No4 x 1/2 WSPCHZP12250 No12 x 2 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 200
200
£6.88 £8.26
No4 x 1/2 WSPCHZP12250
No12 x 2 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 200
200
£6.88 £8.26
No4 x 1/2 WSPCHZP12300 No12 x 3"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 200
200
£7.50 £9.00
No4 x 1/2 WSPCHZP12300
No12 x 3"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 200
200
£7.50 £9.00
No4 x 1/2 WSPCHZP12350 No12 x 3 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 200
200
£10.00 £12.00
No4 x 1/2 WSPCHZP12350
No12 x 3 1/2"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 200
200
£10.00 £12.00
No4 x 1/2 WSPCHZP12400 No12 x 4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 200
200
£10.00 £12.00
No4 x 1/2 WSPCHZP12400
No12 x 4"- Woodscrew Hardened Pozidrive Countersunk Twinthread - BZP - Pack of 200
200
£10.00 £12.00
View as Grid List

46 Items

Filters
Number
  1. No6 8 item
  2. No10 11 item
  3. No12 8 item
  4. No4 4 item
  5. No8 11 item
  6. No7 3 item
Total Length
  1. 1/2" 3 item
  2. 3/4" 4 item
  3. 1" 6 item
  4. 5/8" 3 item
  5. 2" 4 item
  6. 1 1/4" 5 item
  7. 1 1/2" 5 item
  8. 2 1/2" 3 item
  9. 1 3/4" 3 item
  10. 3" 3 item
  11. 3 1/2" 2 item
  12. 4" 2 item
  13. 2 1/4" 2 item
Brand
  1. Timco 1 item
Diameter
  1. 2.9mm 4 item
  2. 3.5mm 8 item
  3. 3.9mm 3 item
  4. 4.2mm 11 item
  5. 4.8mm 11 item
  6. 5.5mm 8 item
Gauge
  1. 4G 4 item
  2. 6G 8 item
  3. 7G 3 item
  4. 8G 11 item
  5. 10G 11 item
  6. 12G 8 item
Point Type
  1. 25 Degree Sharp 44 item
  2. Sharp 1 item